73%; depression 54.70%; PTSS 74.46%), recovery (anxiety 17.20%; depression 9.27%; PTSS 10.35%), delayed dysfunction (anxiety 10.35%; depression 18.15%; PTSS 6.18%), and chronicity (anxiety 31.72%; depression 17.88%; PTSS 9.01%). After controlling covariates, hierarchical multiple regression only revealed that the anxiety trajectory with delayed dysfunction remained significantly predictive for four domains of QOL (physical health, psychological health, social relationships, and environment).
The current study highlights the importance of focusing on the variations in trajectories of anxiety symptoms among disaster survivors and providing individualized mental health services to improve survivors' QOL.
The current study highlights the importance of focusing on the variations in trajectories of anxiety symptoms among disaster survivors and providing individualized mental health services to improve survivors' QOL.The K-line in the neck-flexed position (FK-line) on radiography reflects dynamic factors and cervical alignment. Although the FK-line has been reported to affect the neurological recovery after muscle-preserving selective laminectomy for cervical spondylotic myelopathy (CSM), its influence on surgical outcomes after expansive open-door laminoplasty (ELAP) has not been investigated.
We reviewed the surgical outcomes in 81 patients with multilevel CSM who underwent C4-C6 ELAP combined with C3 and C7 partial laminectomy using a laminoplasty plate and were followed up for at least 2 years. We defined the K-line (-) as some portion of a bony spur or the vertebral body crossing the FK-line, whereas the FK-line (+) was defined as that never crossing the FK-line. Patients were divided into the FK-line (+) (n=61) and FK-line (-) groups (n=20), and the surgical outcomes were compared between the groups. A multivariate analysis was performed to identify the factors that influenced the neurological outcomes.
The FK-line (-) group had a smaller C2-C7 angle, smaller C7 slope, greater postoperative increase in the C2-C7 sagittal vertical axis, greater kyphosis in cervical flexion and less lordosis in cervical extension, and higher incidence of postoperative residual spinal cord compression. The preoperative-to-postoperative changes in the Japanese Orthopedic Association (JOA) score and JOA score recovery rate (RR) were lower in the FK-line (-) group. The multiple linear regression analysis revealed that the K-line (-) (β=-0.327, P=0.011) and high signal intensity (SI) changes on T2-weighted imaging (WI) combined with the low SI changes on T1-WI in the spinal cord (β=-0.320, P=0.013) negatively affected the JOA score RR.
The FK-line can be used for patients with CSM as a simple indicator of neurological outcomes after ELAP.
The FK-line can be used for patients with CSM as a simple indicator of neurological outcomes after ELAP.Although artificial joints using polyethylene have been developed for various joints, the development of Posterior Dynamic Stabilization system of the spine using polyethylene has proceeded at a much slower pace. There are no studies which compare the abrasion resistance of vitamin-E-blended crosslinked polyethylene (VE) and conventional polyethylene (Virgin) in the spinal region. The purpose of this study was to compare the wear resistance of VE and Virgin in a Posterior Dynamic Stabilization System of the spine.
Posterior Dynamic Stabilization System of the spine uses a polyethylene ball as a sliding surface. A fatigue wear test was repeated up to 1 million cycles at a speed of ±5°, 1Hz while the rod was being pulled at a load of 50N. Balls were compared using VE and Virgin in 6 samples each. Ti-6AL-4 V (Ti 64) and Co-Cr-Mo (CoCr) rods were used. Abrasion loss and shape change of the polyethylene balls were compared.
When Ti 64 was used as the rod, the average wear amount was-0.01mg (0.02mg, 0.01mg,-0.06mg) for VE, and 0.23mg (0.18mg, 0.13mg, 0.38mg) for Virgin. When CoCr was used as the rod, the average wear amount was 0.42mg (0.71mg,-0.06mg, 0.61mg) for VE, and 0.73mg (0.72mg, 0.70mg, 0.76mg) for Virgin. Most polyethylene samples showed indentations of 0.1m or less at the contact point with the set screw. In the combination of Virgin and CoCr, a white patch was observed on the inner side of the polyethylene samples, with a maximum depression of 0.1mm.
A fatigue wear test showed VE to be more efficient in abrasion resistance than Virgin in a Posterior Dynamic Stabilization System of the spine in the laboratory.
A fatigue wear test showed VE to be more efficient in abrasion resistance than Virgin in a Posterior Dynamic Stabilization System of the spine in the laboratory.The purpose of the present study was to evaluate the accuracy of the measurements associated with leg alignment on a teleoroentgenogram and an orthoroentgenogram.
The models being irradiated were manufactured and represented 10° varus and 15° varus leg alignment, in which the true values of hip-knee-ankle angle (HKAA), mechanical axis (MA) length, and percentage of MA (%MA) were already known. HKAA, MA length, and %MA were measured in various radiographic conditions of the teleoroentgenogram and orthoroentgenogram. Then, the differences between the radiographic measurement values and the corresponding true values were analyzed.
Regarding HKAA, the teleoroentgenogram provided accurate angular measurements with minimal differences between the measurement and true value in both the 10° and 15° varus models, irrespective of the radiographic condition. In the orthoroentgenogram, the modified method measured accurate HKAA; however, the standard method showed significant angular measurement errors with a 0.6° modality for accurate angular measurements such as HKAA and %MA. An orthoroentgenogram has the potential to measure both HKAA and length accurately if the radiographic condition was modified; however, measurement error in %MA may occur.Postoperative pancreatic fistula (POPF) leads to life-threatening complications after pancreaticoduodenectomy (PD). Pancreaticogastrostomy (PG) often adopted as a reconstruction technique after PD to prevent POPF. Delayed gastric emptying (DGE) following PD is the most common complication that compromises the quality of life. https://www.selleckchem.com/peptide/box5.html Subtotal stomach-preserving PD (SSPPD) preserves the pooling ability of the stomach and minimize the occurrence of DGE. This study aimed to describe our PG technique following SSPPD and evaluate the perioperative outcomes.
The study included patients who underwent PG following SSPPD from August 2013 to July 2020at our institution. An invaginated PG was performed by one-layer eight interrupted sutures with a lost stent. Patients' demographics and perioperative outcomes were documented.
This technique was applied in 72 patients with a median age of 75 years. The median operative time was 342min. The clinically relevant POPF, DGE and post-pancreatectomy hemorrhage was 4 (5.6%), 5 (6.9%), and 10 (13.